The best free alternative to VB-Audio VoiceMeeter is JACK Audio Connection Kit, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to VB-Audio VoiceMeeter and 18 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to VB-Audio VoiceMeeter are Soundflower, BlackHole Audio Loopback Driver, VB-Audio Virtual Cable and PulseAudio.
JACK is a professional sound server daemon that provides real-time low latency connections for both audio and MIDI data between applications that implement its API. The API can be used through either JACK1 or JACK2.
Soundflower is a Mac OS X system extension that allows applications to pass audio to other applications. Soundflower is easy to use, it simply presents itself as an audio device, allowing any audio application to send and receive audio with no other support needed.
BlackHole is a modern macOS virtual audio driver that allows applications to pass audio to other applications with zero additional latency.
VB-Audio CABLE is a Windows Audio Driver working as a Virtual Audio Cable. After installing the VB-CABLE driver, a new playback device appears in the audio device list and can be set as default device. VB-CABLE can be set as the default device, just like any regular audio device.
PulseAudio is a sound server system for POSIX OSes, meaning that it is a proxy for your sound applications. It is an integral part of all relevant modern Linux distributions and is used in various mobile devices, by multiple vendors.
Wave Link is the audio mixing software for the Elgato Wave microphones. Together with the Wave microphone, up to eight other audio sources can be mixed together and two separate outputs; a monitor mix and a stream mix are created.
The SoundDesk Virtual Devices are connectors that you can use to route audio across apps.
The VB-Audio Matrix is an audio framework to connect everything together, channel by channel: Several ASIO devices, several Windows devices, several audio Applications and DAW, several Computers.
MIXLINE is an audio mixing software that performs audio routing, mixing, and streaming. All bundled into a beautiful User Interface!.
A frontend to ease the use of pulseaudio's routing capabilities, mimicking voicemeeter's workflow.
qpwgraph is a graph manager dedicated to PipeWire, using the Qt C++ framework, based and pretty much like the same of QjackCtl.
Synchronous Audio Router is a software-based audio routing driver for Windows. You can create any number of Windows audio endpoints, either playback or recording, and route them using any digital audio workstation software which supports ASIO, all with low latency.
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Applications need to be Jack aware or you can't use them.